import functools
from flask import current_app
from flask import g
from flask import session

from info.models import User


def do_index_class(index):
    if index==0:
        return "first"
    elif index==1:
        return "second"
    elif index==2:
        return "third"
    else:
        return ""
def user_login_data(f):
    @functools.wraps(f)
    def wrapper(*args,**kwargs):
        user_id = session.get("user_id")
        user = None
        if user_id:
            try:
                user = User.query.filter(User.id == user_id).first()
            except Exception as e:
                current_app.logger.error(e)
        g.user=user
        return f(*args,**kwargs)
    return wrapper

